★ NEW: Season 10 Guide | Season 10 Release Date
┗ Seasonal Content: Chaos Rifts | New Uniques
┗ Seasonal Mechanic: List of Chaos Perks & Chaos Armor
★ Season 10 Best Builds & Best Chaos Perks
★ Check out our Vessel of Hatred expansion guide
Astaroth is the Final Boss of Escalating Nightmare dungeons in Diablo 4 (D4). Read on to learn about how to summon Astaroth, Astaroth's location, unique drops, rewards, and how to beat Astaroth.
To fight Astaroth, you'll need to reach the final dungeon of an Escalating Nightmare. You can obtain an Escalating Key from Horadric Strongrooms. These keys will allow you to open an Escalating Nightmare where you'll have a chance to face Astaroth.

Defeating Astaroth rewards a guaranteed Ancestral item. This makes Escalating Nightmares a prime activity for farming Ancestral Items and progression.
Ancestral Items Guide and Best Ways to Farm Them

Astaroth drops a ton of dungeon keys, these keys include Nightmare SIgils, Escalating Sigils, as well as Infernal Horde Compasses. This makes Escalating Nightmares the prime activity for farming most of the contents for Season 9.
| Astaroth Boss Fight Guide |
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The Amalgam of Rage (Astaroth's mount) will spit out flames from three of its heads. Immediately run or dash diagonally to avoid being trapped between each flame.

After beating the first phase, the Amalgam of Rage will create a pool of blood that deals damage-over-time and extends outwards the entire fight. You'll have to beat Astaroth while avoiding the pool of blood to finish the fight.

It's recommended to invite other players to your party to have an easier time clearing the Escalating Nightmare. This allows you to progress each dungeon faster and makes the boss fight against Astaroth easier.

| Lair Boss | Required Materials |
|---|---|
| Lord Zir | ・Exquisite Blood x12 |
| Echo of Varshan | ・Malignant Heart x12 |
| Grigoire | ・Living Steel x12 |
| The Beast in the Ice | ・Distilled Fear x12 |
| Urivar | ・Judicator's Mask x12 |
| Duriel | ・Shard of Agony x3 |
| Andariel | ・Pincushioned Doll x3 |
| Harbinger of Hatred | ・Abhorrent Heart x3 |
| Belial | ・Betrayer's Husk x2 |
| Main Quest Bosses | Stronghold Bosses | ||
| Dungeon Bosses | Uber Bosses |
| Fractured Peaks | Scosglen | Dry Steppes | |||
| Kehjistan | Hawezar | Nahantu |
Astaroth Location and Unique Drops



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